From 48e9c14ebded89d858c8be0333f77f77a81b0877 Mon Sep 17 00:00:00 2001
From: thomascube <thomas@roundcube.net>
Date: Sat, 31 Mar 2012 12:25:48 +0000
Subject: Move plugins repository into roundcubemail root folder; svn:externals
 are not defined anymore

---
 plugins/enigma/lib/enigma_key.php | 129 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 129 insertions(+)
 create mode 100644 plugins/enigma/lib/enigma_key.php

(limited to 'plugins/enigma/lib/enigma_key.php')

diff --git a/plugins/enigma/lib/enigma_key.php b/plugins/enigma/lib/enigma_key.php
new file mode 100644
index 000000000..520c36b0b
--- /dev/null
+++ b/plugins/enigma/lib/enigma_key.php
@@ -0,0 +1,129 @@
+<?php
+/*
+ +-------------------------------------------------------------------------+
+ | Key class for the Enigma Plugin                                         |
+ |                                                                         |
+ | This program is free software; you can redistribute it and/or modify    |
+ | it under the terms of the GNU General Public License version 2          |
+ | as published by the Free Software Foundation.                           |
+ |                                                                         |
+ | This program is distributed in the hope that it will be useful,         |
+ | but WITHOUT ANY WARRANTY; without even the implied warranty of          |
+ | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           |
+ | GNU General Public License for more details.                            |
+ |                                                                         |
+ | You should have received a copy of the GNU General Public License along |
+ | with this program; if not, write to the Free Software Foundation, Inc., |
+ | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.             |
+ |                                                                         |
+ +-------------------------------------------------------------------------+
+ | Author: Aleksander Machniak <alec@alec.pl>                              |
+ +-------------------------------------------------------------------------+
+*/
+
+class enigma_key
+{
+    public $id;
+    public $name;
+    public $users = array();
+    public $subkeys = array();
+
+    const TYPE_UNKNOWN = 0;
+    const TYPE_KEYPAIR = 1;
+    const TYPE_PUBLIC = 2;
+
+    /**
+     * Keys list sorting callback for usort()
+     */
+    static function cmp($a, $b)
+    {
+        return strcmp($a->name, $b->name);
+    }
+
+    /**
+     * Returns key type
+     */
+    function get_type()
+    {
+        if ($this->subkeys[0]->has_private)
+            return enigma_key::TYPE_KEYPAIR;
+        else if (!empty($this->subkeys[0]))
+            return enigma_key::TYPE_PUBLIC;
+
+        return enigma_key::TYPE_UNKNOWN;
+    }
+
+    /**
+     * Returns true if all user IDs are revoked
+     */    
+    function is_revoked()
+    {
+        foreach ($this->subkeys as $subkey)
+            if (!$subkey->revoked)
+                return false;
+
+        return true;
+    }
+
+    /**
+     * Returns true if any user ID is valid
+     */    
+    function is_valid()
+    {
+        foreach ($this->users as $user)
+            if ($user->valid)
+                return true;
+
+        return false;
+    }
+    
+    /**
+     * Returns true if any of subkeys is not expired
+     */    
+    function is_expired()
+    {
+        $now = time();
+        
+        foreach ($this->subkeys as $subkey)
+            if (!$subkey->expires || $subkey->expires > $now)
+                return true;
+    
+        return false;
+    }
+
+    /**
+     * Converts long ID or Fingerprint to short ID
+     * Crypt_GPG uses internal, but e.g. Thunderbird's Enigmail displays short ID
+     *
+     * @param string Key ID or fingerprint
+     * @return string Key short ID
+     */
+    static function format_id($id)
+    {
+        // E.g. 04622F2089E037A5 => 89E037A5
+        
+        return substr($id, -8);
+    }
+
+    /**
+     * Formats fingerprint string
+     *
+     * @param string Key fingerprint
+     *
+     * @return string Formatted fingerprint (with spaces)
+     */
+    static function format_fingerprint($fingerprint)
+    {
+        if (!$fingerprint)
+            return '';
+    
+        $result = '';
+        for ($i=0; $i<40; $i++) {
+            if ($i % 4 == 0)
+                $result .= ' ';
+            $result .= $fingerprint[$i];
+        }
+        return $result;
+    }
+
+}
-- 
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